Christchurch

Marine Recreational Forecasts - Christchurch

Area Description:

Inshore waters from Lyttelton Harbour to the Waimakariri River mouth.

Situation:

A front clears away to the northeast of the country this morning, while a ridge covers northern and central New Zealand. Northwesterlies strengthen over southern New Zealand ahead of and approaching cold front. The front is expected to move up the South Island from early tomorrow morning. Northwesterlies strengthen over central New Zealand early Friday, ahead of a broad low-pressure system approaching from the Tasman Sea. This system looks set to cross central New Zealand during Friday and early Saturday. Another front reaches the lower South Island Saturday evening, then moves north, reaching central New Zealand by Sunday night.

Warnings:

NIL

Forecasts:

Wednesday: Westerly 10 knots easing to variable 5 knots in the morning. Easterly 10 knots developing for a time in the afternoon and early evening. Sea slight. Fine.

Outlook:

Outlook until midnight Saturday: Thursday: Variable 5 knots, becoming northwest 25 knots in the morning. Partly cloudy. Friday: Northwest 20 knots, changing southeast 10 knots early, rising to 20 knots later. Rain developing. Saturday: Southerly 15 knots, easing to variable 5 knots early. Becoming easterly 10 knots later. Occasional rain, clearing.

Swell:

Marine Coastal Forecasts - Rangitata

Forecast:

Wednesday : Southwest 30 knots. Becoming variable 10 knots but northerly 15 knots inshore in the morning. Becoming northerly 15 knots everywhere in the afternoon. Rough sea easing. Southwest swell 2 metres offshore, easing.

Outlook:

Outlook following 3 days: Thursday: Northerly 15 knots, becoming southerly 15 knots in the afternoon. Friday: Southeast 10 knots. Saturday: Easterly 10 knots.

Marine Coastal Forecasts - Chatham Islands

Forecast:

*GALE WARNING IN FORCE* Wednesday : Variable 10 knots. Northeast 15 knots developing early, changing southerly 40 knots in the morning, easing to 25 knots in the evening. Sea becoming very rough for a time. Long period southwest swell rising to 4 metres for a time. Northwest swell 2 metres, easing. Poor visibility in rain developing in the morning, heavy at times, clearing in the evening. Thunderstorms possible late morning and afternoon.

Outlook:

Outlook following 3 days: Thursday: Southwest 20 knots, turning northwest 15 knots in the morning, rising to 25 knots in the afternoon. Sea becoming rough. Moderate southwest swell. Friday: Northwest 25 knots, easing to westerly 15 knots later. Rough sea easing. Moderate westerly swell. Saturday: Westerly 15 knots, easing to variable 10 knots early. Becoming easterly 15 knots later. Moderate southwest swell easing.

Marine Coastal Forecasts - Conway

Forecast:

Wednesday : Southwest 30 knots, easing to variable 10 knots in the morning. Becoming northerly 15 knots in the afternoon. Rough sea easing. Southwest swell 2 metres offshore, easing. Poor visibility in a few morning showers.

Outlook:

Outlook following 3 days: Thursday: Northerly 15 knots, becoming variable 10 knots but northwest 20 knots south of Kaikoura Peninsula in the afternoon. Friday: Becoming southeast 10 knots everywhere early. Saturday: Southeast 10 knots, becoming southwest 25 knots north of Kaikoura Peninsula early. Sea becoming rough in the north.